28), the second full-size prototype of SpaceX's Mars-colonizing Starship vehicle, a variant known as the SN1, was destroyed ... next prototype iteration, the SN2, which is already under construction.

JEE Main 2018: Revision notes with important questions for Free radicals and SN1 & SN2 mechanisms. In this article we are going to talk about the SN 1 & SN 2 Reactions, conditions of free radical ...